Home / 198,706.05-274,117.91-118,076.49

Finding the Fourth Proportional to 198,706.05, 274,117.91 and 118,076.49

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Solution

The fourth proportional to 198,706.05, 274,117.91 and 118,076.49 is: 162,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,706.05 : 274,117.91 = 118,076.49 : x
  2. Step 2: Convert to fraction form
    198,706.05/274,117.91 = 118,076.49/x
  3. Step 3: Cross multiply
    198,706.05x = 274,117.91 × 118,076.49
  4. Step 4: Simplify right side
    198,706.05x = 32,366,880,068.55
  5. Step 5: Solve for x
    x = 32,366,880,068.55/198,706.05
  6. Step 6: Final answer
    x = 162,888.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.